Question

How to check if interface is nil in Go

Answer 1

package main
  
import (
    "fmt"
)
  
func main() {
    var inf interface{}  
  
    fmt.Printf("%v\n", inf == nil)
}
  
  
  
/*
run:
 
true
   
*/

 

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Answer 2

package main
  
import (
    "fmt"
)
  
func main() {
    var p *int
     
  	var inf interface{} 
    inf = p         
     
    fmt.Printf("%v\n", inf == nil)
}
 
 
 
/*
run:
 
false
 
*/

 

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